881582440

素因数分解:

$2^3\times 5^1\times {\mathrm{2939}}^1\times {\mathrm{7499}}^1$

素因数の和:10449

約数の個数: 32

約数和(自身を含む): 1984500000

約数和(自身を除く): 1102917560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2939, 5878, 7499, 11756, 14695, 14998, 23512, 29390, 29996, 37495, 58780, 59992, 74990, 117560, 149980, 299960, 22039561, 44079122, 88158244, 110197805, 176316488, 220395610, 440791220, 881582440]

約数ペア:

[(1, 881582440), (2, 440791220), (4, 220395610), (5, 176316488), (8, 110197805), (10, 88158244), (20, 44079122), (40, 22039561), (2939, 299960), (5878, 149980), (7499, 117560), (11756, 74990), (14695, 59992), (14998, 58780), (23512, 37495), (29390, 29996)]